Home / 4,911.76-7,361.07-2,409.12

Finding the Fourth Proportional to 4,911.76, 7,361.07 and 2,409.12

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Solution

The fourth proportional to 4,911.76, 7,361.07 and 2,409.12 is: 3,610.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.76 : 7,361.07 = 2,409.12 : x
  2. Step 2: Convert to fraction form
    4,911.76/7,361.07 = 2,409.12/x
  3. Step 3: Cross multiply
    4,911.76x = 7,361.07 × 2,409.12
  4. Step 4: Simplify right side
    4,911.76x = 17,733,700.96
  5. Step 5: Solve for x
    x = 17,733,700.96/4,911.76
  6. Step 6: Final answer
    x = 3,610.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.